Use console_logging in node daemon
Use console_logging in node daemon

Node daemon logs will be printed on system console if writing on the log file
fails.

Signed-off-by: Luca Bigliardi <e702700dc9a886e6138bb50811fbdce0772e040e@google.com>
Reviewed-by: Michael Hanselmann <68b67885ff74281219b4a4be33cc20fd45078d7c@google.com>

ganeti-github-testing/ganeti-test-1,dimara/ganeti,grnet/snf-ganeti,andir/ganeti,leshchevds/ganeti,andir/ganeti,apyrgio/ganeti,leshchevds/ganeti,mbakke/ganeti,ganeti/ganeti,andir/ganeti,mbakke/ganeti,yiannist/ganeti,grnet/snf-ganeti,apyrgio/snf-ganeti,bitemyapp/ganeti,onponomarev/ganeti,apyrgio/snf-ganeti,mbakke/ganeti,bitemyapp/ganeti,yiannist/ganeti,leshchevds/ganeti,ganeti/ganeti,ganeti/ganeti,yiannist/ganeti,apyrgio/ganeti,onponomarev/ganeti,ganeti-github-testing/ganeti-test-1,dimara/ganeti